diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index a19ea04fa5e75..5b92563fc358b 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -694,8 +694,9 @@ impl<'a> Parser<'a> { // `where`, so stop if it's it. // We also continue if we find types (not traits), again for error recovery. while self.can_begin_bound() - || self.token.can_begin_type() - || (self.token.is_reserved_ident() && !self.token.is_keyword(kw::Where)) + || (self.may_recover() + && (self.token.can_begin_type() + || (self.token.is_reserved_ident() && !self.token.is_keyword(kw::Where)))) { if self.token.is_keyword(kw::Dyn) { // Account for `&dyn Trait + dyn Other`. diff --git a/tests/ui/parser/bad-recover-kw-after-impl.rs b/tests/ui/parser/bad-recover-kw-after-impl.rs new file mode 100644 index 0000000000000..218cd7678594f --- /dev/null +++ b/tests/ui/parser/bad-recover-kw-after-impl.rs @@ -0,0 +1,15 @@ +// check-pass + +// edition:2021 +// for the `impl` + keyword test + +macro_rules! impl_primitive { + ($ty:ty) => { + compile_error!("whoops"); + }; + (impl async) => {}; +} + +impl_primitive!(impl async); + +fn main() {} diff --git a/tests/ui/parser/bad-recover-ty-after-impl.rs b/tests/ui/parser/bad-recover-ty-after-impl.rs new file mode 100644 index 0000000000000..510e08ba091a4 --- /dev/null +++ b/tests/ui/parser/bad-recover-ty-after-impl.rs @@ -0,0 +1,17 @@ +// check-pass + +macro_rules! impl_primitive { + ($ty:ty) => { impl_primitive!(impl $ty); }; + (impl $ty:ty) => { fn a(_: $ty) {} } +} + +impl_primitive! { u8 } + +macro_rules! test { + ($ty:ty) => { compile_error!("oh no"); }; + (impl &) => {}; +} + +test!(impl &); + +fn main() {}